1 bearing material:42CrMo 2 ISO9001:2008 certificate 3 fast delivery,good price,high quality 4 OEM/ODM 5 made to order 1.About our companyWe are a professional bearing manufacturer,integrating production R&D ,produce,sale and service. We have rich experience in producting bearings,specializing in the production of type 0 -9 category bearings, diamter 500mm--1500mm different slewing ring structure ...